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Finding the Fourth Proportional to 9,324.59, 12,874.12 and 7,167.30

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Solution

The fourth proportional to 9,324.59, 12,874.12 and 7,167.30 is: 9,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.59 : 12,874.12 = 7,167.30 : x
  2. Step 2: Convert to fraction form
    9,324.59/12,874.12 = 7,167.30/x
  3. Step 3: Cross multiply
    9,324.59x = 12,874.12 × 7,167.30
  4. Step 4: Simplify right side
    9,324.59x = 92,272,726.81
  5. Step 5: Solve for x
    x = 92,272,726.81/9,324.59
  6. Step 6: Final answer
    x = 9,895.64

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.